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【单选题】
男性,37岁,车祸后致创伤性休克,胸部闭合型损伤,双侧多发肋骨骨折,双侧血气胸,双肺挫伤入院。无腹部损伤,既往无消化系统疾病史。入院后经扩容抗休克,胸腔引流等处理,患者生命体征趋于平稳,呼吸困难缓解。胃肠功能障碍监测和诊断指标为()
A.
黏膜内pH(pHi)测定
B.
肠道细菌易位、血浆内毒素测定
C.
胃肠动力监测
D.
肠黏膜屏障通透性测定
E.
以上都是
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【单选题】______ Brokers are those people, according to the passage, who buy or sell business shares for others.
A.
T
B.
F
【单选题】函数f(x)在(a,b)连续,则必在( )。
A.
(a,b)一致连续
B.
(a,b)点点连续
C.
a点右连续
D.
b点左连续
【简答题】(函数级数的连续性条件)若f k (x)(k=1,2,3,…)都在[a,b]内连续,并且 .则函数f(x)在[a,b]内连续的必要与充分条件便是 在[a,b]上为次一致收敛.[阿尔齐拉]
【单选题】设f(x)= , 若函数f(x)在[a,b]上连续,则f(x)在(a,b)内必有()
A.
最大值与最小值
B.
极值
C.
导函数
D.
原函数
【单选题】函数f(x)在点x=a处的左右极限存在且相等,则它是函数在x=a处连续的
A.
充分不必要条件
B.
必要不充分条件
C.
充分必要条件
D.
既不充分也不必要条件
【单选题】海洋运输货物保险中,大宗、低值、粗糙的无包装货物适合投保()。
A.
水渍险
B.
一切险
C.
平安险
D.
短量险
【单选题】海洋货物运输保险中,大宗、低值、粗糙的无包装货物适合投保()
A.
水渍险
B.
一切险
C.
平安险
D.
短量险
【单选题】People who buy stock in a corporation such as General Electric become
A.
creditors of General Electric, so the benefits of holding the stock depend on General Electric's profits.
B.
creditors of General Electric, but the benefits of holding the stock do not depend on General Electric's profits.
C.
part owners of General Electric, so the benefits of holding the stock depend on General Electric's profits.
D.
part owners of General Electric, but the benefits of holding the stock do not depend on General Electric's profits.
【判断题】若函数f(x) 在x 0 点连续,则 必存在.
A.
正确
B.
错误
【单选题】What gives people who buy on credit more pleasure?
A.
The cheapest price of the things they buy.
B.
The great amount of money they spend.
C.
The things they buy.
D.
The good quality of the things they buy.
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